[Sm(O₂NO-κ²O)₄(Terpy-κ³N)]⊖

Formula Unicode styled: 
[Sm(O₂NO-κ²O)₄(Terpy-κ³N)]⊖
Compound name(s): 
(2,2':6',2''-terpyridine-N,N',N'')-tetrakis(nitrato-O,O')-samarium(1-)
Central atom: 
Charge on formula unit (QN): 
1–
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Coordination Number (CN, sum of attached group denticities): 
Oxidation Number (ON) (Roman numerals): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Bond number (BN) = 𝘹 + 𝘭 + 𝘻: 
11
[MLXZ]𝘲 class: 
[MX4L7]-
MLXZ class (ENC, equivalent neutral class): 
MX3L8
Summary of calculated classifications: 
Sm«V3C11OIIIE27B11Z0X4L7»
𝘥-electron configuration = 𝘮 – VN: 
𝘥-electron configuration = 𝘮 – ON: 
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
Attached atoms: 
N3O8
Phase: 
InChIKey (see www.inchi-trust.org): 
YGKFQPLOEBCKSM-UHFFFAOYSA-N